The letters in PROMISE make 171 words of two letters or more. The longest is IMPOSER at 7 letters, and the highest-scoring is IMPOSER at 11 points.
PROMISE is an anagram of IMPOSER and SEMIPRO, using all 7 letters. PROMISE has 7 letters: 3 vowels and 4 consonants, worth 11 points before any board bonuses.
Anagrams of PROMISE 2
imposer11semipro11
7-letter words 3
6-letter words 13
impose10isomer8moires8mopers10mopier10poiser8porism10primes10primos10proems10rimose8simper10spirem10
5-letter words 36
emirs7mires7miser7moire7moper9mopes9mores7morse7omers7osier5peris7perms9piers7poems9poise7pomes9pores7poser7pries7prime9primo9prims9prise7prism9proem9proms9prose7repos7rimes7ripes7romps9ropes7speir7spier7spire7spore7
4-letter words 53
emir6emos6epos6eros4imps8ires4mire6mirs6mise6miso6mope8mops8more6mors6omer6opes6ores4peri6perm8peso6pier6pies6piso6poem8pois6pome8poms8pore6pose6prim8prom8pros6reis4rems6repo6reps6rime6rims6ripe6rips6rise4roes4romp8roms6rope6rose4semi6simp8sipe6sire4some6sore4sori4
3-letter words 45
emo5ems5ers3imp7ire3ism5mes5mir5mis5moi5mop7mor5mos5oes3oms5ope5ops5ore3ors3ose3per5pes5pie5pis5poe5poi5pom7pro5psi5rei3rem5rep5res3rim5rip5roe3rom5sei3ser3sim5sip5sir3som5sop5sri3
2-letter words 21
em4er2es2is2me4mi4mo4ms4oe2oi2om4op4or2os2pe4pi4ps4re2rs2si2so2
Words are from our open word list and include some game-only words. Rude words are left out of this page; the unscrambler shows every valid word, lets you add blank tiles and filter by length.